2703661 has 4 divisors (see below), whose sum is σ = 2707452. Its totient is φ = 2699872.

The previous prime is 2703653. The next prime is 2703667. The reversal of 2703661 is 1663072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 2205225 = 706^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2703661 - 2³ = 2703653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2703667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (676863).

2^2703661 is an apocalyptic number.

It is an amenable number.

2703661 is a deficient number, since it is larger than the sum of its proper divisors (3791).

2703661 is an equidigital number, since it uses as much as digits as its factorization.

2703661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2703661 is about 1644.2813019675. The cubic root of 2703661 is about 139.3105730904.

It can be divided in two parts, 2703 and 661, that added together give a square (3364 = 58²).

The spelling of 2703661 in words is "two million, seven hundred three thousand, six hundred sixty-one".